code: def get_out_ch(self):
      return self.out_channels
  
file_path: PaddleDetection/ppdet/modeling/backbones/hardnet.py
imports: import paddle
  import paddle.nn
  from ppdet.core.workspace import register
  from ..shape_spec import ShapeSpec
label_desc: Use image node_id 2 for calling the HarDBlock obj's underlying member method code with example usage: obj.get_out_ch() and returns: self